Emojis with face masks are seen at the entrance of a restaurant during the COVID-19 pandemic in New Orleans, Louisiana, the United States, on May 1, 2020. New graffiti appear in many places in New Orleans, bringing people a sense of hope, positive attitude, and support during the COVID-19 pandemic. (Photo by Lan Wei/Xinhua)

A graffiti is seen on a window during the COVID-19 pandemic in New Orleans, Louisiana, the United States, on May 1, 2020. New graffiti appear in many places in New Orleans, bringing people a sense of hope, positive attitude, and support during the COVID-19 pandemic. (Photo by Lan Wei/Xinhua)

A graffiti is seen on the entrance of a restaurant during the COVID-19 pandemic in New Orleans, Louisiana, the United States, on May 1, 2020. New graffiti appear in many places in New Orleans, bringing people a sense of hope, positive attitude, and support during the COVID-19 pandemic. (Photo by Lan Wei/Xinhua)

A graffiti is seen outside a store showing that people could still communicate at a distance during the COVID-19 pandemic in New Orleans, Louisiana, the United States, on May 1, 2020. New graffiti appear in many places in New Orleans, bringing people a sense of hope, positive attitude, and support during the COVID-19 pandemic. (Photo by Lan Wei/Xinhua)